package com.sky.service.impl;

import com.sky.constant.StatusConstant;
import com.sky.entity.Orders;
import com.sky.mapper.DishMapper;
import com.sky.mapper.OrderMapper;
import com.sky.mapper.SetmealMapper;
import com.sky.mapper.UserMapper;
import com.sky.service.WorkspaceService;
import com.sky.vo.BusinessDataVO;
import com.sky.vo.DishOverViewVO;
import com.sky.vo.OrderOverViewVO;
import com.sky.vo.SetmealOverViewVO;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.time.LocalTime;
import java.util.HashMap;
import java.util.Map;

@Service
public class WorkspaceServiceImpl implements WorkspaceService {

    @Autowired
    private OrderMapper orderMapper;

    @Autowired
    private UserMapper userMapper;

    @Autowired
    private DishMapper dishMapper;

    @Autowired
    private SetmealMapper setmealMapper;

    /*
    *  工作台今日数据查询
    * */
    @Override
    public BusinessDataVO getBusinessData(LocalDateTime begin, LocalDateTime end) {
        /*
        *
        *  营业额：当日已完成订单的总金额
        *  有效订单：当日已完成订单的数量
        *  订单完成率：有效订单数 / 总订单数
        *  平均客单价：营业额 / 有效订单数
        *  新增用户：当日新增用户的数量
        * */
        Map map =new HashMap();
        map.put("begin",begin);
        map.put("end",end);

        //查询总订单数
        Integer totalOrderCount = orderMapper.countByMap(map);

        map.put("status", Orders.COMPLETED);
        //营业额
        Double turnover = orderMapper.sumByMap(map);
        turnover = turnover == null ? 0.0 : turnover;

        //有效订单数
        Integer validOrderCount = orderMapper.countByMap(map);

        Double unitPrice = 0.0;

        Double orderCompletionRate = 0.0;

        if(totalOrderCount !=0 && validOrderCount !=0){
            //订单完成率
            orderCompletionRate = validOrderCount.doubleValue() / totalOrderCount;
            //平均客单价
            unitPrice = turnover/validOrderCount;
        }
        //新增用户数
        Integer newUsers = userMapper.countByMap(map);
        BusinessDataVO businessDataVO = BusinessDataVO.builder()
                .turnover(turnover)
                .validOrderCount(validOrderCount)
                .orderCompletionRate(orderCompletionRate)
                .unitPrice(unitPrice)
                .newUsers(newUsers)
                .build();

        return businessDataVO;
    }

    /*
    *  查询订单管理数据
    * */
    @Override
    public OrderOverViewVO getOrderOverView() {
        Map map =new HashMap();
        map.put("begin",LocalDateTime.now().with(LocalTime.MIN));
        map.put("status",Orders.CONFIRMED);

        //待接单
        Integer waitingOrders = orderMapper.countByMap(map);

        //待派送
        map.put("status",Orders.CONFIRMED);
        Integer deliveredOrders = orderMapper.countByMap(map);
        
        //已完成
        map.put("status",Orders.COMPLETED);
        Integer completedOrders = orderMapper.countByMap(map);
        
        //已取消
        map.put("status",Orders.CANCELLED);
        Integer cancelledOrders = orderMapper.countByMap(map);

        //全部订单
        map.put("status",null);
        Integer allOrders = orderMapper.countByMap(map);

        return OrderOverViewVO
                .builder()
                .waitingOrders(waitingOrders)
                .deliveredOrders(deliveredOrders)
                .completedOrders(completedOrders)
                .cancelledOrders(cancelledOrders)
                .allOrders(allOrders)
                .build();
    }

    /*
    *  查询菜品总览
    * */
    @Override
    public DishOverViewVO getDishOverView() {
        Map map = new HashMap();
        map.put("status", StatusConstant.ENABLE);
        Integer sold =  dishMapper.countByMap(map);

        map.put("status",StatusConstant.DISABLE);
        Integer discontinued = dishMapper.countByMap(map);

        return DishOverViewVO
                .builder()
                .sold(sold)
                .discontinued(discontinued)
                .build();
    }

    /*
    * 查询菜品总览
    * */
    @Override
    public SetmealOverViewVO getSetmealOverView() {
        Map map = new HashMap();
        map.put("status",StatusConstant.ENABLE);
        Integer sold = setmealMapper.countByMap(map);

        map.put("status",StatusConstant.DISABLE);
        Integer discontinued = setmealMapper.countByMap(map);

        //封装结果集
        return SetmealOverViewVO
                .builder()
                .sold(sold)
                .discontinued(discontinued)
                .build();
    }
}
